Patents by Inventor Dallas J. Erdahl

Dallas J. Erdahl has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • BIOMATERIAL COLLECTION APPARATUS AND ASSEMBLIES
    Publication number: 20220296220
    Abstract: Apparatus and assemblies for automated sterile collection of urine and other biomaterials for medical testing, law enforcement testing, etc. Individual sample collection cartridges include an inflatable collection conduit and an inflatable collection vessel. The collection vessel can be sealed in multiple locations in a chronologically sequential manner to segregate an initial or “dirty” portion of a urine stream.
    Type: Application
    Filed: March 10, 2022
    Publication date: September 22, 2022
    Inventors: Heidi Kramer, Herman Wagschal, Joseph Wagschal, Caleb Vainikka, Braden Eliason, Thomas E. Kramer, Logan A. McDermot, Brian J. Mullins, Matthew H. Rust, Dallas J. Erdahl
  • Biomaterial collection method
    Patent number: 11317898
    Abstract: Apparatus and assemblies for automated sterile collection of urine and other biomaterials for medical testing, law enforcement testing, etc. Individual sample collection cartridges include an inflatable collection conduit and an inflatable collection vessel. The collection vessel can be sealed in multiple locations in a chronologically sequential manner to segregate an initial or “dirty” portion of a urine stream.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: May 3, 2022
    Assignee: WK Holdings Inc.
    Inventors: Heidi Kramer, Herman Wagschal, Joseph Wagschal, Caleb Vainikka, Braden Eliason, Thomas E. Kramer, Logan A. McDermot, Brian J. Mullins, Matthew H. Rust, Dallas J. Erdahl
  • BIOMATERIAL COLLECTION APPARATUS AND ASSEMBLIES
    Publication number: 20190046164
    Abstract: Apparatus and assemblies for automated sterile collection of urine and other biomaterials for medical testing, law enforcement testing, etc. Individual sample collection cartridges include an inflatable collection conduit and an inflatable collection vessel. The collection vessel can be sealed in multiple locations in a chronologically sequential manner to segregate an initial or “dirty” portion of a urine stream.
    Type: Application
    Filed: August 11, 2017
    Publication date: February 14, 2019
    Inventors: Heidi Kramer, Herman Wagschal, Joseph Wagschal, Caleb Vainikka, Braden Eliason, Thomas E. Kramer, Logan A. McDermot, Brian J. Mullins, Matthew H. Rust, Dallas J. Erdahl